Analysis

  • max time kernel
    141s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-05-2024 09:32

General

  • Target

    a717a432c558f56c46709d6d3ec9837f.exe

  • Size

    2.3MB

  • MD5

    a717a432c558f56c46709d6d3ec9837f

  • SHA1

    ceda052be2519383085089a41c422ce2b1400a46

  • SHA256

    369be61aca46750085c842147909f80c8f938555071adeaceac6727bfcf74186

  • SHA512

    e859810a198b8b946581ed6197b1154856e736687dd593d383dc952a3afd597ed6b5a631a8e6b2228a425b809b772457e6e10e0ca6f68cd8f0a8cc637a81132c

  • SSDEEP

    49152:T+GJaXbo4IKA2WN4M63n4dHzCJYU6Mm4/4w2RAObR8XlZrzyiko:TboxWN4UHzCJYCmX5w1ZXyik

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

5512.sytes.net:6606

5512.sytes.net:7707

5512.sytes.net:8808

95.211.208.153:6606

95.211.208.153:7707

95.211.208.153:8808

Mutex

Llg9a02PERRO

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Detect ZGRat V1 34 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a717a432c558f56c46709d6d3ec9837f.exe
    "C:\Users\Admin\AppData\Local\Temp\a717a432c558f56c46709d6d3ec9837f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1844
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAGYAZQBkACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAGoAagBkACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAHMAawBmACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAGMAZwB4ACMAPgA="
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4416
    • C:\Users\Admin\AppData\Local\Dfzxuwcml.exe
      "C:\Users\Admin\AppData\Local\Dfzxuwcml.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4196
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1528
    • C:\Users\Admin\AppData\Local\Temp\hd.sentinel.pro.4.x-5.x-patch.exe
      "C:\Users\Admin\AppData\Local\Temp\hd.sentinel.pro.4.x-5.x-patch.exe"
      2⤵
      • Executes dropped EXE
      PID:2384

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Dfzxuwcml.exe
    Filesize

    2.2MB

    MD5

    577b8f4cd65df6e3cd42d7d37c7917cf

    SHA1

    5033814e5aade04682bf7cb7fca3e32c46c5512a

    SHA256

    d4360ef0464f7620fe0e3d5185adcdc0781aacfe23510d2c6c2e85c1095c8948

    SHA512

    a42dab76abe41e53d7eee1ff3cec3092b26e1a05bdd6c91e8f12e35f6f14fc36df5ef918d0a2818d9f549db1e8ace169ff8ed3f441253a9a27b89c1ec816ff9d

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1qywa2ef.cca.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\hd.sentinel.pro.4.x-5.x-patch.exe
    Filesize

    85KB

    MD5

    57824abbb9afe394c8a17a410e60c6fd

    SHA1

    cdb3fe63c22e7d93d4a47bdb966b09f1b478f19f

    SHA256

    becb4e1eaa4fbd915241f1138e2ed7b9833dc1cf66d6da25f9fac1a3e317c3ee

    SHA512

    8b4e82437d6a30e73b65d0abc41b68d8420454622efd43d8d874ecee7a9251f36555d4c35dd13f886250948df1b9606ee61d0bcb2c8abb748b316dadff539c3d

  • memory/1528-4967-0x0000000005430000-0x00000000054CC000-memory.dmp
    Filesize

    624KB

  • memory/1528-4965-0x0000000000400000-0x0000000000412000-memory.dmp
    Filesize

    72KB

  • memory/4196-111-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-73-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-26-0x0000000000100000-0x0000000000332000-memory.dmp
    Filesize

    2.2MB

  • memory/4196-4966-0x00000000739D0000-0x0000000074180000-memory.dmp
    Filesize

    7.7MB

  • memory/4196-32-0x0000000004C20000-0x0000000004E40000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-4961-0x00000000059B0000-0x0000000005A04000-memory.dmp
    Filesize

    336KB

  • memory/4196-34-0x00000000053F0000-0x0000000005994000-memory.dmp
    Filesize

    5.6MB

  • memory/4196-4959-0x00000000050E0000-0x000000000512C000-memory.dmp
    Filesize

    304KB

  • memory/4196-37-0x0000000004EE0000-0x0000000004F72000-memory.dmp
    Filesize

    584KB

  • memory/4196-4958-0x0000000005040000-0x000000000509C000-memory.dmp
    Filesize

    368KB

  • memory/4196-4955-0x00000000739D0000-0x0000000074180000-memory.dmp
    Filesize

    7.7MB

  • memory/4196-51-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-59-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-96-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-71-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-69-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-67-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-65-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-98-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-101-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-63-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-61-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-53-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-103-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-105-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-47-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-45-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-44-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-107-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-109-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-28-0x00000000739D0000-0x0000000074180000-memory.dmp
    Filesize

    7.7MB

  • memory/4196-113-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-129-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-117-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-49-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-119-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-94-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-115-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-127-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-131-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-121-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-125-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4196-123-0x0000000004C20000-0x0000000004E3A000-memory.dmp
    Filesize

    2.1MB

  • memory/4416-166-0x0000000007630000-0x000000000763E000-memory.dmp
    Filesize

    56KB

  • memory/4416-30-0x00000000053B0000-0x00000000059D8000-memory.dmp
    Filesize

    6.2MB

  • memory/4416-167-0x0000000007640000-0x0000000007654000-memory.dmp
    Filesize

    80KB

  • memory/4416-77-0x00000000066A0000-0x00000000066D2000-memory.dmp
    Filesize

    200KB

  • memory/4416-92-0x0000000007460000-0x000000000746A000-memory.dmp
    Filesize

    40KB

  • memory/4416-91-0x00000000073F0000-0x000000000740A000-memory.dmp
    Filesize

    104KB

  • memory/4416-78-0x0000000070120000-0x000000007016C000-memory.dmp
    Filesize

    304KB

  • memory/4416-90-0x0000000007A40000-0x00000000080BA000-memory.dmp
    Filesize

    6.5MB

  • memory/4416-88-0x0000000006680000-0x000000000669E000-memory.dmp
    Filesize

    120KB

  • memory/4416-93-0x0000000007680000-0x0000000007716000-memory.dmp
    Filesize

    600KB

  • memory/4416-57-0x0000000005AE0000-0x0000000005E34000-memory.dmp
    Filesize

    3.3MB

  • memory/4416-25-0x00000000739DE000-0x00000000739DF000-memory.dmp
    Filesize

    4KB

  • memory/4416-76-0x0000000006100000-0x000000000614C000-memory.dmp
    Filesize

    304KB

  • memory/4416-100-0x00000000075F0000-0x0000000007601000-memory.dmp
    Filesize

    68KB

  • memory/4416-89-0x00000000072B0000-0x0000000007353000-memory.dmp
    Filesize

    652KB

  • memory/4416-1956-0x0000000007740000-0x000000000775A000-memory.dmp
    Filesize

    104KB

  • memory/4416-2193-0x0000000007730000-0x0000000007738000-memory.dmp
    Filesize

    32KB

  • memory/4416-27-0x0000000002B10000-0x0000000002B46000-memory.dmp
    Filesize

    216KB

  • memory/4416-36-0x0000000005320000-0x0000000005386000-memory.dmp
    Filesize

    408KB

  • memory/4416-35-0x00000000052B0000-0x0000000005316000-memory.dmp
    Filesize

    408KB

  • memory/4416-4960-0x00000000739D0000-0x0000000074180000-memory.dmp
    Filesize

    7.7MB

  • memory/4416-33-0x0000000005110000-0x0000000005132000-memory.dmp
    Filesize

    136KB

  • memory/4416-31-0x00000000739D0000-0x0000000074180000-memory.dmp
    Filesize

    7.7MB

  • memory/4416-29-0x00000000739D0000-0x0000000074180000-memory.dmp
    Filesize

    7.7MB

  • memory/4416-75-0x00000000060D0000-0x00000000060EE000-memory.dmp
    Filesize

    120KB